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Center RT Screen UV Coordinates #3491

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Center RT Screen UV Coordinates #3491

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1c53060
center RT camera UV coords
kerbalcadet Jan 26, 2026
ce82bd1
add support for vertical screens
kerbalcadet Jan 26, 2026
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31 changes: 27 additions & 4 deletions lua/entities/gmod_wire_rt_screen.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -255,12 +255,35 @@ if CLIENT then
local y1 = -yraw
local y2 = yraw

local u1, v1 = 0, 0
local u2, v2 = self:GetScaleX(), monitor.RatioX * self:GetScaleY()
local scaleX = self:GetScaleX()
local scaleY = self:GetScaleY()
local u1, v1, u2, v2
-- center smaller side
if monitor.RatioX <= 1 then
local y_offset = scaleY * (1 - monitor.RatioX) * 0.5

u1 = 0
u2 = scaleX

v1 = y_offset
v2 = y_offset + monitor.RatioX * scaleY
else
local x_offset = scaleX * (1 - 1 / monitor.RatioX) * 0.5

u1 = x_offset
u2 = x_offset + scaleX / monitor.RatioX

v1 = 0
v2 = scaleY
end

local scrU = self:GetScrollX()
local scrV = self:GetScrollY()
u1 = u1 + scrU u2 = u2 + scrU
v1 = v1 + scrV v2 = v2 + scrV
u1 = u1 + scrU
u2 = u2 + scrU
v1 = v1 + scrV
v2 = v2 + scrV


cam.Start3D2D(
self:LocalToWorld(monitor.offset),
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